Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 6 20.  Predictions up to the next  14.0 days:

     Date     Time(HIMAWARI-9)   HIMAWARI-9 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 06/22/2024   04:03:41   (   0.01, 140.73) (  -0.16, 139.94)   90.05                80
 06/23/2024   03:47:37   (   0.00, 140.72) (   0.85, 144.47)  427.11                80
 06/24/2024   16:09:27   (   0.00, 140.71) (   0.33, 139.20)  171.95                80
 06/25/2024   15:48:03   (   0.01, 140.70) (  -0.68, 143.72)  345.40                80
 06/27/2024   04:10:01   (  -0.01, 140.67) (  -0.51, 138.42)  257.13                80
 06/28/2024   03:53:58   (  -0.01, 140.66) (   0.51, 142.94)  260.96                80
 06/29/2024   16:15:47   (   0.01, 140.62) (   0.66, 137.67)  336.26                80
 06/30/2024   15:54:24   (   0.02, 140.61) (  -0.35, 142.20)  181.95                80
 07/02/2024   04:16:22   (  -0.02, 140.58) (  -0.83, 136.89)  419.84                80
 07/03/2024   04:00:19   (  -0.02, 140.56) (   0.19, 141.42)   98.90                80
 07/04/2024   16:22:07   (   0.03, 140.51) (   1.03, 136.16)  497.03                80